gpu: Add CHROMIUM_copy_image extension.

gpu/command_buffer/service/gles2_cmd_decoder_autogen.h

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // This file is auto-generated from
 // gpu/command_buffer/build_gles2_cmd_buffer.py
 // It's formatted by clang-format using chromium coding style:
 //    clang-format -i -style=chromium filename
 // DO NOT EDIT!
 
@@ skipping 5187 matching lines @@
   GLint imageId = static_cast<GLint>(c.imageId);
   if (!validators_->texture_bind_target.IsValid(target)) {
     LOCAL_SET_GL_ERROR_INVALID_ENUM("glReleaseTexImage2DCHROMIUM", target,
                                     "target");
     return error::kNoError;
   }
   DoReleaseTexImage2DCHROMIUM(target, imageId);
   return error::kNoError;
 }
 
+error::Error GLES2DecoderImpl::HandleCopyImageSubDataCHROMIUM(
+    uint32_t immediate_data_size,
+    const volatile void* cmd_data) {
+  const volatile gles2::cmds::CopyImageSubDataCHROMIUM& c =
+      *static_cast<const volatile gles2::cmds::CopyImageSubDataCHROMIUM*>(
+          cmd_data);
+  GLint source_image_id = static_cast<GLint>(c.source_image_id);
+  GLint dest_texture_id = static_cast<GLint>(c.dest_texture_id);
+  GLint xoffset = static_cast<GLint>(c.xoffset);
+  GLint yoffset = static_cast<GLint>(c.yoffset);
+  GLint x = static_cast<GLint>(c.x);
+  GLint y = static_cast<GLint>(c.y);
+  GLsizei width = static_cast<GLsizei>(c.width);
+  GLsizei height = static_cast<GLsizei>(c.height);
+  GLint in_fence_id = static_cast<GLint>(c.in_fence_id);
+  GLint out_fence_id = static_cast<GLint>(c.out_fence_id);
+  if (width < 0) {
+    LOCAL_SET_GL_ERROR(GL_INVALID_VALUE, "glCopyImageSubDataCHROMIUM",
+                       "width < 0");
+    return error::kNoError;
+  }
+  if (height < 0) {
+    LOCAL_SET_GL_ERROR(GL_INVALID_VALUE, "glCopyImageSubDataCHROMIUM",
+                       "height < 0");
+    return error::kNoError;
+  }
+  DoCopyImageSubDataCHROMIUM(source_image_id, dest_texture_id, xoffset, yoffset,
+                             x, y, width, height, in_fence_id, out_fence_id);
+  return error::kNoError;
+}
+
 error::Error GLES2DecoderImpl::HandleTraceEndCHROMIUM(
     uint32_t immediate_data_size,
     const volatile void* cmd_data) {
   DoTraceEndCHROMIUM();
   return error::kNoError;
 }
 
 error::Error GLES2DecoderImpl::HandleDiscardFramebufferEXTImmediate(
     uint32_t immediate_data_size,
     const volatile void* cmd_data) {
@@ skipping 404 matching lines @@
         state_.enable_flags.cached_sample_alpha_to_one_ext = enabled;
         return true;
       }
       return false;
     default:
       NOTREACHED();
       return false;
   }
 }
 #endif  // GPU_COMMAND_BUFFER_SERVICE_GLES2_CMD_DECODER_AUTOGEN_H_